Polypeptides. IX. Variations of the methionyl position in the C-terminal tetrapeptide amide sequence of the gastrins.
D000577:Amides; D000595:Amino Acid Sequence; D055598:Chemical Phenomena; D002621:Chemistry; D005755:Gastrins; D008715:Methionine; D010455:Peptides / Q000138:chemical synthesis*
D000577:Amides; D005755:Gastrins; D010455:Peptides; D008715:Methionine